fmt it and remove the init var

grace/grace.go

@@ -57,7 +57,6 @@ const (
 	PreSignal = iota
 	// PostSignal is the position to add filter after signal
 	PostSignal
-
 	// StateInit represent the application inited
 	StateInit
 	// StateRunning represent the application is running
@@ -82,17 +81,13 @@ var (
 	// DefaultMaxHeaderBytes is the Max HTTP Herder size, default is 0, no limit
 	DefaultMaxHeaderBytes int
 	// DefaultTimeout is the shutdown server's timeout. default is 60s
-	DefaultTimeout time.Duration
+	DefaultTimeout = 60 * time.Second
 
 	isChild     bool
 	socketOrder string
 	once        sync.Once
 )
 
-func init() {
-	DefaultMaxHeaderBytes = 0
-	DefaultTimeout = 60 * time.Second
-}
 func onceInit() {
 	regLock = &sync.Mutex{}
 	flag.BoolVar(&isChild, "graceful", false, "listen on open fd (after forking)")